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Micropump applications pulp & paper bleaching

micropump-pulp-and-paper-bleaching

In the paper manufacturing process, wood pulp leaving the digester wash unit often must be bleached to attain the desired level of paper whiteness. Bleach plants whiten pulp through three to five stages of bleaching and water washing. Typically, two pairs of aqueous chlorine dioxide and caustic extraction towers are followed by pulp washing stages.

Micropump pumps are used in these applications to deliver the appropriate bleaching agent and to maintain the proper chemical balance in the bleaching tower.

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PUMPING REQUIREMENTS

MICROPUMP SOLUTIONS

FLOW RATE: 0.050 to 18.9 L/min (0.79 to 300 USG/hr) flow rates

Micropump has variable speed pumps with flows from

0.158 to 42.9L/min (2.5 to 680 USG/hr)

CHEMICAL RESISTANT PUMP MATERIALS

Micropump's pump construction materials stand up to most pulp bleaching chemicals

PRECISE FLOW CONTROL

Micropump offers positive displacement gear pumps for precise metering of bleaching agents

LEAK-FREE OPERATION

Micropump's pumps have magnetic drives, so no shafts penetrate the pump cavity, eliminating leak-prone dynamic shaft seals

MAINTAINABILITY

Micropump offers Service Kits for easy field serviceability